RTL-SDR gain steps

 It was hard to find the gain steps for a NOOELEC SDR therefore i will put them here:

RTL2832U
NOOELEC	Generic SDR
49.6	49.6
48	48
44.5	44.5
43.9	43.9
43.4	43.4
42.1	42.1
40.2	40.2
38.6	38.6
37.2	37.2
36.4	36.4
33.8	33.8
32.8	32.8
29.7	29.7
28	28
25.4	25.4
22.9	22.9
20.7	20.7
19.7	19.7
16.6	16.6
15.7	15.7
14.4	14.4
12.5	12.5
8.7	8.7
7.7	7.7
3.7	3.7
2.7	2.7
1.4	1.4
0.9	0.9
0	0